Crustaceans

Crustaceans

Any member of the class of arthropods that includes lobsters, crabs, shrimps, wood lice, water fleas, and barnacles.

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alice1

Beijing, China

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Crustaceans

open petasma

Animals; Crustaceans

The lateral lobes are quite flexible, partially or entirely extended laterally, with the ventral costae not or barely turned ventrally.

The lateral lobes are rather flexable, markedly folded, supported by strong ribs, with the ventral costae approaching rather closely, delimiting moderately large space, narrowly open distally where ...

bender muscle

Animals; Crustaceans

The muscle which bends the leg forward at the CP joint.

maxillula

Animals; Crustaceans

The second mouthpart and fifth cephalic appendage. In the Janiroidea, it consists of two setose lobes: a large outer lobe armed with robust, tooth-like setae; and a smaller inner lobe with only one ...

lower lateral

Animals; Crustaceans

Valve in shell of some cirripeds.

brachyuran crabs

Animals; Crustaceans

# Members of the infraorder Brachyura, in which all five pairs of thoracic legs are well developed.

mesenteron

Animals; Crustaceans

# Mid-portion of alimentary tract of endodermal origin with surface commonly increased by pouch-like extensions which serve as digestive glands and aid absorption of partly digested food. # ...